/Engine/Source/Editor/UnrealEd/Public/WorldPartition/WorldPartitionNavigationDataBuilder.h
bool DeletePackages ( const [FPackageSourceControlHelper](API\Editor\UnrealEd\FPackageSourceControlHelper) & PackageHelper, const [TArray](API\Runtime\Core\Containers\TArray)< [UPackage](API\Runtime\CoreUObject\UObject\UPackage) * > & PackagesToDelete ) const